- Fernando Arroyo pitched for three teams in eight seasons from 1975-1986. Arroyo was drafted by the Detroit Tigers in 1970. Fernando pitched in the minors from 1970-1975 and got his chance at the majors after having a good start of the season with AAA Evansville. Arroyo pitched in a total of 14 games (2 starts) with the Tigers in 1975 and was 2-1 with a 4.58 ERA.
- Arroyo was in Evansville for the entire 1976 season. Fernando stayed in Detroit for the entire 1977 season and was 8-18 with a 4.17 ERA in 38 games (28 starts).
- Fernando spent most of the 1978 and 1979 seasons in Evansville. He pitched in two games for the Tigers in 1978 (0-0, 8.31 ERA) and six games in 1979 (1-1, 8.25 ERA). Arroyo was traded to the Minnesota Twins for Jeff Holly after the 1979 season.
- Arroyo spent the first two months of the 1980 season in AAA Toledo and came up to the Twins in June after going 6-1 with a 1.62 ERA in eight starts in Toledo. Fernando was 6-6 with a 4.68 ERA in 21 games (11 starts) for the Twins during the last four months of the 1980 season.
- Fernando stayed in the majors for the entire 1981 season. He had a record of 7-10 with a 3.93 ERA in 19 starts.
- Arroyo started the 1982 season with the Twins but was sent down to AAA after going 0-1 with a 5.62 ERA in six games. Fernando was released on May 18 and signed with the Oakland A's on May 25. Arroyo was up and down between AAA and Oakland for the next two months. Fernando had a 5.64 ERA in ten games with the A's and was released on July 27. He was signed by the Chicago White Sox a few days later and spent the rest of the 1982 season in AAA.
- Fernando was in AAA for the entire 1983 and 1984 seasons. Arroyo was released after the 1984 season and pitched in the Mexican League in 1985. Arroyo was pitching in the Mexican League in 1986 when he was signed by Oakland on May 29. Fernando spent some time in the minors and then came back to Oakland at the end of the season to pitch in one game. That was it for Arroyo's career.
- After his playing career Arroyo was a pitching coach and a manager in the minor leagues.
- Arroyo was the pitching coach for manager Jerry Royster on the Korean Baseball Organization's Lotte Giants. Arroyo was hired for the 2008 season. Royster left the club after the 2010 season and the coaching positions are all listed as vacant now.